INA141

更新时间： 2024-11-02 22:48:07

品牌	Logo	应用领域
BB		仪表放大器
页数	文件大小	规格书
10页	193K
描述
Precision, Low Power, G = 10, 100 INSTRUMENTATION AMPLIFIER

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INA141 数据手册

INA141

Precision, Low Power, G = 10, 100

INSTRUMENTATION AMPLIFIER

FEATURES

● LOW OFFSET VOLTAGE: 50µV max

● LOW DRIFT: 0.5µV/°C max

DESCRIPTION

The INA141 is a low power, general purpose instru-

mentation amplifier offering excellent accuracy. Its

versatile 3-op amp design and small size make it ideal

for a wide range of applications. Current-feedback

input circuitry provides wide bandwidth even at high

gain (200kHz at G = 100).

● ACCURATE GAIN: ±0.05% at G = 10

● LOW INPUT BIAS CURRENT: 5nA max

● HIGH CMR: 117dB min

● INPUTS PROTECTED TO ±40V

● WIDE SUPPLY RANGE: ±2.25 to ±18V

● LOW QUIESCENT CURRENT: 750µA

● 8-PIN PLASTIC DIP, SO-8

Simple pin connections set an accurate gain of 10 or

100V/V without external resistors. Internal input pro-

tection can withstand up to ±40V without damage.

The INA141 is laser trimmed for very low offset

voltage (50µV), drift (0.5µV/°C) and high common-

mode rejection (117dB at G = 100). It operates with

power supplies as low as ±2.25V, and quiescent

current is only 750µA—ideal for battery operated

systems.

APPLICATIONS

● BRIDGE AMPLIFIER

● THERMOCOUPLE AMPLIFIER

● RTD SENSOR AMPLIFIER

● MEDICAL INSTRUMENTATION

● DATA ACQUISITION

The INA141 is available in 8-pin plastic DIP, and

SO-8 surface-mount packages, specified for the –40°C

to +85°C temperature range.

V+

INA141

Over-Voltage

Protection

–

V_IN

A₁

40kΩ

252Ω

25kΩ

G = 10

G =100

A₃

5050Ω

252Ω

V_O

A₂

Ref

Over-Voltage

Protection

40kΩ

V_IN

V–

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-1297B

INA141

12 3 4 5 6 7...10

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